标准摘要
[中文适用范围]： 本文件规定了用于测量热长度变化和计算热膨胀系数的搪瓷样品的制备程序。 [外文原描述]： ISO 20274:2017 specifies the procedures for the preparation of enamel samples for measurement of the thermal length change and calculation of the thermal expansion coefficient.
英文名称Vitreous and porcelain enamels — Preparation of samples and determination of thermal expansion coefficient